The MIPRO's MA202ACT is a portable, battery powered speaker that's suited for small to medium crowds. MA202ACT portable PA system has high efficiency 56-watt audio output with class-D amplifier drives 2-way loudspeakers, one-touch Scan & ACT sync buttons for fast and easy channel set-up. It also comes with a convenient storage compartment and battery charger for ACT-202T handheld microphone, and a optional ACT-30H handheld transmitter for improved sound quality.